How to plumb a double kitchen sink with disposal and dishwasher?

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A well-arranged home has a different feel altogether. But most of us live in a compact space so we need to use all the space that we can get. One of the most disgusting things that we still have to deal with is food waste. Well, the solution can be getting disposal under your sink but what about the dishwasher. Usually, we connect the disposal pipe of a portable dishwasher to the disposal pipe of the sink located under the sink.

Plumbing a double kitchen sink with disposal and dishwasher

As you have asked about the possibility of pluming the disposal and dishwasher under the sink, the simple answer is affirmative and you can easily do it. But there are many other things that you need to know before going for the pluming of the dishwasher and disposal under the double kitchen sink. You will be happy to know that I am here to help at this certain point.

Why you should have a garbage disposal and dishwasher?

Life is getting harder every single day. We are all in search of new ways how we can make things easier for you. The dishwasher is one of the key home appliances when it comes to easing things around you. You can easily clean your dishes without help from others and some of them also have quick cycles. You might be concern about the energy bills that a dishwasher used to bring at home with it. Well, an energy-saving star-rated dishwasher will be the perfect solution in that case.

No more clogging when you have the best disposal by your side. It will break all the foods and it will make the cleaning work simpler for you. Less food waste will end up on the trash land so you are also doing your part as an environmentalist. We will never face rats problem again at your home as you have lesser food waste for them to play with. You should have a dishwasher and disposal for your home as they can be easily installed under a double kitchen sink.

What is the right way to install disposal and dishwasher under the double kitchen sink?

You will be glad to know that you can install a dishwasher and disposal under a single kitchen sink too. So, it is not going to that hard when you have the double kitchen sink. Check out the size of the dishwasher and disposal and measure with the space that you have under the sink. If it fits properly then you are ready to start the installation work.

How to plumb a double kitchen sink with disposal and dishwasher?

Time Needed : 1 hours

Plumbing disposal and dishwasher is effortless when it comes to double kitchen sinks. It will be pretty straightforward work for you if you know the right way to do it. Having efficient knowledge about plumbing will be the key in this situation. In that response, we are here to help you will the phases that you can follow to plumb a double kitchen sink with disposal and dishwasher.

  1. Get rid of previous sink pipe

    Sink pipe does the function of draining your wastewater. Most often plumbers call it the P-trap. To get rid of this old sink pipe, you need to locate the tailpiece. You need to rotate it counterclockwise to remove it from the wall drain.

    A pipe wrench is needed if you are working with a metal pipe. Otherwise, plastic can be easily removed by your strong hand.

    Pressure out all the nuts and disengaged the pipe from any other connection. After that, you are ready to perform the second phase of plumbing a double kitchen sink with disposal and dishwasher.

  2. Install a Wye on the drainage line

    There are specific two units that you are planning to work on your drainage line. Both dishwasher and disposal can’t function properly in a single drainage line. For that, you need to work on a Wye installation so that your single drain line has a double connection line for the work.

    Cut the wye to fit perfectly to your drain line. The wye needs to be 1/2 inch less in diameter than the connection line. After the cut, you can perfectly fit the wye to your line for enabling disposal and dishwasher installing facility under your double sink.

  3. Cut the trapes into shape

    All the P-traps need to fit perfectly in the right holes. For that, you need to cut them into the right shape. Measure the wye diameter and cut accordingly so that you can just cement it and insert it inside the wall drain properly.

    One end of the P-trap will get inside the wye while the other will be connected to the sink. Both of them will end up in your units of dishwasher and disposal. Make sure to measure things properly before starting the cutting otherwise it might not fit properly and ask for more works.

  4. Insert the pipes in the right holes

    There will be some previous residue and putty. You need to cut them out and indeed add some new putty on replacement. Later, insert all the pipes and flange on the right holes for your both dishwasher and disposal.

    Add the mounting ring and tighten all the nuts back to the system. You are almost ready to get service from your dishwasher and disposal under the double kitchen sink.

  5. Do some testing

    Don’t do any speculation rather than make sure you do some test run before start using it. Start the dishwasher and disposal and check out for any leaking. The bend of the p-trapes also need to be in right track to function properly.

    If everything looks good to function then you are  done with your plumbing. You are ready to use your dishwasher and disposal under your double kitchen sink.

    It is hard to describe all the details in a single article. Plumbers will inject you $100-200 for the installation of the dishwasher and disposal under the double kitchen sink. The work is pretty simple based on your dedication level. Don’t take any risk if you probably don’t feel comfortable.

Tools
  • Pipe Wrench
  • Pipe Cutter
  • Cloth Piece
Materials
  • Dishwasher unit
  • Disposal unit
  • P-Traps
  • Cement